211121212211222 has 8 divisors (see below), whose sum is σ = 317416578917472. Its totient is φ = 105315685905400.

The previous prime is 211121212211197. The next prime is 211121212211233. The reversal of 211121212211222 is 222112212121112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122460099029 + ... + 122460100752.

It is an arithmetic number, because the mean of its divisors is an integer number (39677072364684).

Almost surely, 2^{211121212211222} is an apocalyptic number.

211121212211222 is a deficient number, since it is larger than the sum of its proper divisors (106295366706250).

211121212211222 is a wasteful number, since it uses less digits than its factorization.

211121212211222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244920200214.

The product of its digits is 256, while the sum is 23.

Adding to 211121212211222 its reverse (222112212121112), we get a palindrome (433233424332334).

The spelling of 211121212211222 in words is "two hundred eleven trillion, one hundred twenty-one billion, two hundred twelve million, two hundred eleven thousand, two hundred twenty-two".